As health officials report a surge of winter viruses, health experts are warning that heart disease symptoms can sometimes mimic respiratory illnesses.
Four viruses are circulating in the U.S., sparking concerns of a possible "quademic."
Respiratory syncytial virus (RSV), influenza, COVID-19 and norovirus are all at "very high levels" around the country, experts warn.
The American Heart Association (AHA) confirmed that certain viruses have been linked to increased risk of heart attack and stroke.
